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Marquise|Lab Grown|IGI

1.51ct E VS2 Marquise Lab Grown Diamond

ID • E/VS2 • IGI LG843672520

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG843672520

Diamond specifications and retailer prices

From $379 AUD
$266 USD
As of October 30, 2026
Save $2,226 AUD (85%) vs most expensive(unlock to see where)
13 retailers carry this diamond
Most expensive: $2,605 AUD at Brilliant Earth · As of October 28, 2026
View at Brilliant Earth

About this 1.51ct lab-grown marquise diamond

This 1.51ct lab-grown marquise sits in the one-and-a-half to two carat band, graded E colour (colourless) and VS2 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG843672520 or 843672520. Listed at 13 retailers as of October 28, 2026, with prices from $379 to $2,605, a $2,226 spread on the same certified stone. Brilliant Earth lists it at $2,605. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.51
Carat
E
Colour
VS2
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle32.5°
Pavilion angle39.2°
OriginLab Grown
Grading LabIGI
CertificateIGI LG843672520
Dimensions12.09 × 5.99 × 3.63 mm
L/W Ratio2.02
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
12.09 mm5.99 mm1.51 ctE / VS2
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG843672520
Side View
Table 60.0%Crown 32.5°Girdle: STK-THKPavilion 39.2°Culet: NoneDepth 60.6%

Caratlytics Score

How it works →
A
Excellent
Excellent quality and great value
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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 30
Current: $2,605 AUD|Low: $379 AUD|High: $2,605 AUD|Avg: $1,186 AUD
Brilliant Earth
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
October 30, 2026
Retailer 12$379 AUD
Retailer 11$493 AUD
Retailer 5$567 AUD
Retailer 10$712 AUD
Retailer 7$756 AUD
Retailer 2$794 AUD
Retailer 8$1,333 AUD
Retailer 9$1,354 AUD
Retailer 4$1,423 AUD
Retailer 6$1,690 AUD
Retailer 3$1,707 AUD
Retailer 13$1,870 AUD
Brilliant Earth$2,605 AUD

18 data points across 13 retailers

13 retailers$379 AUD to $2,605 AUD

A
Cheapest Retailer
-
$379 AUD
$266 USD
Final sale: no returns
Retailer 2
-
$493 AUD
£273 GBP
View
Price last confirmed 13 days ago
B+
Retailer 3
-
$567 AUD
$398 USD
View
A
Retailer 4
-
$712 AUD
$500 USD
View
A
Retailer 5
-
$756 AUD
€506 EUR
View
A
Retailer 6
-
$794 AUD
£439 GBP
View
B+
Retailer 7
-
$1,333 AUD
View
B+
Retailer 8
-
$1,354 AUD
$951 USD
View
B+
Retailer 9
-
$1,423 AUD
$1,000 USD
View
B
Retailer 10
-
$1,690 AUD
£935 GBP
View
B
Retailer 11
-
$1,707 AUD
$1,199 USD
View
B
Retailer 12
-
$1,870 AUD
$1,314 USD
View
Most Expensive
B
Brilliant Earth
21792271A · Oct 28
$2,605 AUD
$1,830 USD
View
12 more retailers have this diamond
Prices start from $379 AUDSave up to $2,226 AUD

Carat Hunter is not affiliated with, endorsed by, or sponsored by any retailer listed. Retailer information is from publicly available sources and may not be current. Verify details directly with the retailer before purchasing. Return terms as we hold them. Check the retailer's own returns page before you buy.

A
1.51ct Marquise
$379 AUD